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In the context of gazing behavior, our pupils dilate when we are looking at something interests us.
The pupil is the dark center of the eye that opens or closes to receive more or less light. It is black because light rays entering the pupil are either directly absorbed by the tissues inside the eye or absorbed after a diffuse reflection in the eye that most often does not exit the narrow pupil.
Pupil dilation (mydriasis) occurs when the black center of your eye is larger than normal. This condition can be caused by eye drops that dilate during an eye exam, a side effect of medication, or an injury. First, oxytocin and dopamine - the "love hormone" - affect pupil size. Your brain gets a boost from these chemicals when you're sexually or emotionally attracted to someone.
This increase in hormone seems to dilate your pupils. Changes in emotions can cause the pupils to dilate. The autonomic nervous system triggers various involuntary responses to emotions, such as fear or excitement. Some studies suggest that pupil dilation is one of the involuntary responses to stimulation or attraction.
Dilated pupils can occur with any type of anxiety, but are more common during periods of intense anxiety that occur in the following conditions: Panic Disorder / Panic Attacks.
To learn more about pupil dilation:
https://brainly.com/question/14590048
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